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Crystal structure of catalytically inactive FnCas12a in complex with a crRNA guide and a dsDNA target
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5NFV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 0.1 M Bis-Tris Propane (BTP), pH 6.5)
0.2 M KSCN
17.5 % polyethylene glycol 3,400
Crystal Properties Matthews coefficient Solvent content 2.74 55.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.172 α = 90 b = 141.681 β = 97.43 c = 89.478 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 2M-F 2016-08-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06DA 1.008 SLS X06DA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.65 47.612 99.6 17.86 6.9 58701
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.65 2.745 98.67 0.96 6.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 5NFV 2.65 47.612 1.34 58699 2926 99.61 0.249 0.2482 0.2502 0.2637 0.2666
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.904 f_angle_d 0.613 f_chiral_restr 0.039 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10578 Nucleic Acid Atoms 2266 Solvent Atoms 30 Heterogen Atoms 108
Software Software Software Name Purpose PHENIX refinement XDS data reduction PHASER phasing Coot model building XSCALE data scaling